Cisco Cisco IOS Software Release 12.2(27)SBC
MPLS Traffic Engineering MIB
Information About the MPLS Traffic Engineering MIB
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Cisco IOS Release: Multiple releases
Information About the MPLS Traffic Engineering MIB
This section describes the following:
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MPLS Traffic Engineering MIB Cisco Implementation
The MPLS TE MIB is based on the Internet Engineering Task Force (IETF) draft MIB entitled
draft-ietf-mpls-te-mib-05.txt, which includes objects describing features that support MPLS TE. This
IETF draft MIB is revised occasionally and is becoming a standard. Accordingly, Cisco’s
implementation of the MPLS TE MIB is expected to track the evolution of the IETF draft MIB.
draft-ietf-mpls-te-mib-05.txt, which includes objects describing features that support MPLS TE. This
IETF draft MIB is revised occasionally and is becoming a standard. Accordingly, Cisco’s
implementation of the MPLS TE MIB is expected to track the evolution of the IETF draft MIB.
Slight differences between the IETF draft MIB and the implementation of the TE capabilities within
Cisco IOS software require some minor translations between the MPLS TE MIB and the internal data
structures of Cisco IOS software. These translations are made by the SNMP agent code that is installed
and operating on various hosts within the network. This SNMP agent code, running in the background
as a low priority process, provides a management interface to Cisco IOS software.
Cisco IOS software require some minor translations between the MPLS TE MIB and the internal data
structures of Cisco IOS software. These translations are made by the SNMP agent code that is installed
and operating on various hosts within the network. This SNMP agent code, running in the background
as a low priority process, provides a management interface to Cisco IOS software.
The SNMP objects defined in the MPLS TE MIB can be displayed by any standard SNMP utility. All
MPLS TE MIB objects are based on the IETF draft MIB; thus, no specific Cisco SNMP application is
required to support the functions and operations pertaining to the MPLS TE MIB.
MPLS TE MIB objects are based on the IETF draft MIB; thus, no specific Cisco SNMP application is
required to support the functions and operations pertaining to the MPLS TE MIB.
MPLS Traffic Engineering Overview
MPLS TE capabilities in Cisco IOS software enable an MPLS backbone to replicate and expand upon
the TE capabilities of Layer 2 ATM and Frame Relay networks.
the TE capabilities of Layer 2 ATM and Frame Relay networks.
TE capabilities are essential to effective management of service provider and Internet service provider
(ISP) backbones. Such backbones must support high transmission capacities, and the networks
incorporating backbones must be extremely resilient to link or node failures.
(ISP) backbones. Such backbones must support high transmission capacities, and the networks
incorporating backbones must be extremely resilient to link or node failures.
The MPLS TE facilities built into Cisco IOS software provide a feature-rich, integrated approach to
managing the large volumes of traffic that typically flow through WANs. The MPLS TE facilities are
integrated into Layer 3 network services, thereby optimizing the routing of IP traffic in the face of
constraints imposed by existing backbone transmission capacities and network topologies.
managing the large volumes of traffic that typically flow through WANs. The MPLS TE facilities are
integrated into Layer 3 network services, thereby optimizing the routing of IP traffic in the face of
constraints imposed by existing backbone transmission capacities and network topologies.
Capabilities Supported by the MPLS Traffic Engineering MIB
The following functionality is supported in the MPLS Traffic Engineering MIB:
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The ability to generate and queue notification messages that signal changes in the operational status
of MPLS TE tunnels.
of MPLS TE tunnels.
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Extensions to existing SNMP commands that provide the ability to enable, disable, and configure
notification messages for MPLS TE tunnels.
notification messages for MPLS TE tunnels.